// Copyright (C) 2002-2005 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h

#ifndef __C_RTT_SKY_BOX_SCENE_NODE_H_INCLUDED__
#define __C_RTT_SKY_BOX_SCENE_NODE_H_INCLUDED__

#include "ISceneNode.h"
#include "ICameraSceneNode.h"
#include "S3DVertex.h" 

namespace irr
{
namespace scene
{

	// Skybox, rendererd with zbuffer turned off, before all other nodes.
	class CRTTSkyBoxSceneNode : public ISceneNode
	{
	public:
 
		//! constructor
		CRTTSkyBoxSceneNode(core::dimension2d<s32> size, ISceneNode* parent, ISceneManager* mgr, s32 id);

		//! destructor
		virtual ~CRTTSkyBoxSceneNode();

		// renders the view from the said position to the skybox
		void renderToSkyBox(core::vector3df pos, video::SColor col=video::SColor(0,0,0,255), bool self=false);

		virtual void OnRegisterSceneNode();

		//! renders the node.
		virtual void render();

		//! returns the axis aligned bounding box of this node
		virtual const core::aabbox3d<f32>& getBoundingBox() const;

		//! returns the material based on the zero based index i. To get the amount
		//! of materials used by this scene node, use getMaterialCount().
		//! This function is needed for inserting the node into the scene hirachy on a
		//! optimal position for minimizing renderstate changes, but can also be used
		//! to directly modify the material of a scene node.
		virtual video::SMaterial& getMaterial(u32 i);

		//! returns amount of materials used by this scene node.
		virtual u32 getMaterialCount();

	private:

		core::aabbox3d<f32> Box;
		u16 Indices[6];
		scene::ICameraSceneNode *skyCam;
		video::S3DVertex Vertices[4*6];
		video::SMaterial Material[6];
		video::ITexture *rt[6];
	};

} // end namespace scene
} // end namespace irr

#endif

